How does the Buildings at Risk Service assign a category of risk?

A category of risk is assigned to buildings on the Register to describe the extent to which they are at risk. Because a building in a very poor state of repair may be in a stable state, the assessment of risk is not always directly associated with condition. The following criteria are used to assign a category of risk to buildings on the Register:

Critical The building is threatened with demolition, and a real or perceived conservation deficit now makes rescue unlikely. It is suffering from an acute structural problem that could lead to full or partial collapse, and there is an immediate threat of further deterioration.
High There is no immediate danger of collapse but condition is such that unless urgent remedial works are carried out the building will sharply deteriorate.
Moderate The building is in a fair condition but is deteriorating. There are concerns that the building could suffer further decay leading to more serious problems.
Low The building is in a relatively stable condition, but there is a risk of slow decay. Although there is a possibility of reuse, the condition of the building still gives cause for concern.
Minimal The building is vacant but in good condition. At this stage, there is no immediate threat of deterioration.

The category of risk is solely the opinion of the Buildings at Risk Service.